Ding Guochun Trademarks
DESCHEM
Chromatography apparatus for laboratory use; Chromatography columns for laboratory use; Disposable latex gloves for laboratory…
Owned by: Ding Guochun
Serial Number: 87001860
DESCHEM
Filed: June 16, 2017
Furnaces for laboratory use; Glass driers for laboratory purposes; Glass tubes for scientific purposes; Graduated glassware…
Owned by: Ding Guochun
Serial Number: 87492228
